FIELD: chemistry.
SUBSTANCE: invention relates to composition of a complex additive for concrete mixture and can be used in preparing concrete mixtures for monolithic and precast concrete and reinforced concrete structures. The complex additive for concrete mixture contains the following in wt %: phenylethoxysiloxane 2-4, carboxylate polyether 30-35, curing agent 61-68.
EFFECT: high rate of gain in strength of concrete during early hardening stages with retention of high ultimate strength, high frost resistance and water impermeability.
1 ex, 1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
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|
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